body {
  background: url(/img/congruent_outline.png);
  margin: 0;
  padding: 0;
  font-family: -apple-system-font, "Helvetica Neue", Tahoma, "PingFang SC", "lantinghei sc", "Microsoft Yahei", sans-serif;
}

.logo {
  margin: 32px auto;
  height: 65px;
}

.main {
  width: 90%;
  padding: 0;
  margin: 0 auto;
}

a {
  text-decoration: none;
}

.post-container {
  width: 33.3%;
  margin: 0 auto;
  padding: 0;
  float: left;
  vertical-align: top;
}

.post {
  background: #fefefe;
  margin: 16px 8px;
  padding: 0;
  height: 420px;
  border-radius: 3px;
  box-shadow: 0 1px 2px rgba(10, 10, 10, 0.41);
  transition: opacity .8s ease-in-out;

}

.post a:hover {
  color: #245f4f;
}

.post-title {
  font-size: 1.6em;
  color: #414141;
  font-weight: bold;
  margin: 20px 16px 8px;
  line-height: 1;
}

.post-date {
  color: #000000;
  font-size: .7em;
  opacity: .6;
  margin: 10px 16px;
  text-align: right;
}

.post-excerpt {
  font-size: 0.9em;
  margin: 0 16px;
  color: #525252;
  text-overflow: ellipsis;
  letter-spacing: 0.08em;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  overflow: hidden;
}

.post img {
  width: 100%;
  height: 60%;
  object-fit: cover;
  border-radius: 3px 3px 0 0;
  transition: opacity .8s ease-in-out;
}

/*.main:hover*/
/*.post img:not(:hover) {*/
/*opacity: 0.8;*/
/*}*/

@media screen and (max-width: 62.75em) {
  .post-container {
    width: 50%;
  }
}

@media screen and (max-width: 41.6em) {
  .post-container {
    width: 100%;
  }
}

@media screen and (max-width: 25em) {
}